14-10-2021
Mathematics

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Calculate the angle BAC

Help me Please !!
Will give the brainliest !!
Please answer correctly with explanation :-)

Calculate the angle BAC Help me Please Will give the brainliest Please answer correctly with explanation class=

Respuesta :

manissaha129 manissaha129

14-10-2021

Answer:

Sine Formula or Sine Rule :

BC / sinA = AC / sinB

60 / sinA = 84.95 / sin(115°)

60 / sinA = 84.95 / 0.91

60 / sinA = 93.7

sinA = 60 / 93.7

sinA = 0.64

A = arc(sin0.64)

A = 39°48'30"

A ≈ 40°

Hence, the value of angle BAC is 40°

40° is the right answer.

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